Sound level indicator



FIG. 1 is a top perspective view of my new sound level indicator;

FIG. 2 is an perspective view with the sound level indicator open;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom elevational view thereof; and,

FIG. 8 is a rear elevational view thereof. 

The ornamental design for a sound level indicator, as shown and described. 